423119855551 has 2 divisors, whose sum is σ = 423119855552. Its totient is φ = 423119855550.

The previous prime is 423119855537. The next prime is 423119855567. The reversal of 423119855551 is 155558911324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423119855551 - 2¹⁹ = 423119331263 is a prime.

It is a super-2 number, since 2×423119855551² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423119855495 and 423119855504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423119855351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211559927775 + 211559927776.

It is an arithmetic number, because the mean of its divisors is an integer number (211559927776).

Almost surely, 2^423119855551 is an apocalyptic number.

423119855551 is a deficient number, since it is larger than the sum of its proper divisors (1).

423119855551 is an equidigital number, since it uses as much as digits as its factorization.

423119855551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080000, while the sum is 49.

The spelling of 423119855551 in words is "four hundred twenty-three billion, one hundred nineteen million, eight hundred fifty-five thousand, five hundred fifty-one".